Thanks for sharing the exception details. You are required to share problematic files (source files you tried to convert) and sample project as well. So that we can investigate this issue and help you out ASAP.

We haven’t heard a response back (on this issue) from the concerned team yet. Your logged issue ID is CONVERSIONJAVA-425. However, we’ve asked them ETA for the fix. As we get any update from them, you’ll be notified